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Table 3 Effects of pulmonary valve replacement on ventricular mechanics, QRS duration, peak oxygen consumption, and functional class

From: Repaired tetralogy of Fallot: the roles of cardiovascular magnetic resonance in evaluating pathophysiology and for pulmonary valve replacement decision support

  PR (%) RVEDVi
(ml/m2)
RVESVi
(ml/m2)
RV EF (%) LVEDVi
(ml/m2)
LV EF (%) QRS duration
(ms)
Peak O2
consumption
(ml/kg/min)
NYHA class
  Before After Before After Before After Before After Before After Before After Before After Before After Before After
Vliegen et al. [97]
N = 26
Age: 29 ± 9 years
46 ± 10 4 ± 8 167 ± 40 114 ± 35 99 ± 36 66 ± 35 42 ± 10 42 ± 11 86 ± 29 87 ± 17        2.0 ± 0.6 1.3 ± 0.5
Therrien et al. [15]
N = 17
Age: 32 years
   163 ± 34 107 ± 26 109 ± 27 69 ± 22 32 ± 7 34 ± 10          2.0 ± 1.0 1.4 ± 0.5
van Straten et al. [148]
N = 16
Age: 29 years
48 ± 10 3 ± 5 164 ± 43 113 ± 26 94 ± 33 61 ± 18 44 ± 8 47 ± 12           
Doughan et al. [84]
N = 21
Age: 34 ± 9 years
             153 ± 34 142 ± 29     
Buechel et al. [16]
N = 20
Age: 14 ± 3 years
49 ± 14 9 ± 8 190 ± 33 109 ± 26 102 ± 27 58 ± 16 47 ± 7 45 ± 9 77 ± 10 84 ± 12 53 ± 6 56 ± 7 150 ± 18 148 ± 17     
Henkens et al. [98]
N = 27
Age: 31 ± 8 years
48 ± 11   166 100 98 58 42 ± 10 43 ± 10 89 ± 31 87 ± 18 56 ± 12 55 ± 9      2.0 ± 0.6 1.3 ± 0.3
Oosterhof et al. [93]
N = 71
Age: 29 years
44 ± 13 5 ± 9 171 ± 44 119 ± 34 102 ± 38 70 ± 29 42 ± 10 43 ± 10 85 ± 22 94 ± 20 52 ± 9 53 ± 8 155 ± 29 144 ± 29    53% grade ≥II 11% grade ≥II
Gengsakul et al. [99]
N = 82
Age: 28 ± 13 years
             164 ± 21 168 ± 21    54% grade ≥II 13% grade ≥II
Frigiola et al. [94]
N = 71
Age 22 ± 11 years
41 ± 9 5 ± 7 142 ± 43 91 ± 18 73 ± 33 43 ± 14 51 ± 10 54 ± 7 66 ± 12 73 ± 13 61 ± 8 64 ± 7    25 ± 10 25 ± 9 2.0 1.0
Geva et al. [95]
N = 64
Age: 21 years
49 ± 11 5 ± 9 201 ± 37 123 ± 25 107 ± 29 68 ± 24 47 ± 8 45 ± 9 89 ± 15 94 ± 17 58 ± 8 57 ± 7 154 (82-200) 150 (80-202) 26.5 (8-47) 27 (10-48) 47% grade ≥II 8% grade ≥II